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Invention Grant
US685893A Track-rail support for door-hangers. 失效
轨道交通工具支持。

  • Patent Title: Track-rail support for door-hangers.
  • Patent Title (中): 轨道交通工具支持。
  • Application No.: US1891070102
    Application Date: 1891-07-29
  • Publication No.: US685893A
    Publication Date: 1901-11-05
  • Inventor: WILBERN THOMAS
  • Applicant: WILBERN THOMAS
  • Assignee: Thomas Wilbern
  • Current Assignee: Thomas Wilbern
  • Priority: US1891070102 1891-07-29
Track-rail support for door-hangers.
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